Einstein called compound interest the eighth wonder of the world. See why — side by side with simple interest.
Simple vs compound growth on one chart.
Includes recurring contributions in both models.
The gap between simple and compound tells the story.
Run through a typical scenario with the sample values below — hit See an example to load them instantly.
| Input | Sample value |
|---|---|
| Initial Amount ($) | 10000 |
| Annual Rate (%) | 8 |
| Years | 30 |
| Monthly Addition ($) | 100 |
Follow the steps below to get accurate results.
Initial Amount ($) · e.g. 10000Annual Rate (%) · e.g. 8Years · e.g. 30Monthly Addition ($) · e.g. 100Einstein called compound interest the eighth wonder of the world. See why — side by side with simple interest.
Compounding Visualizer Calculator is an interactive estimate built for quick planning. Always double-check the numbers that matter before acting on them, and reach out to a professional for personalized advice.
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Simply fill in the fields and press Calculate. Einstein called compound interest the eighth wonder of the world. See why — side by side with simple interest.
Just the basics — Initial Amount ($) and Annual Rate (%) and Years, plus a few simple inputs. No account or signup is required; everything runs in your browser.
Yes — completely free, with no login, no watermarks and no limits. Bookmark it and share the URL with anyone who needs it.
The calculator uses current, standard formulas to produce an educational estimate. Real-world figures can vary based on your specific situation, so treat it as a planning aid rather than a final answer.
Absolutely. The tool is fully responsive and works smoothly on mobile, tablet and desktop browsers.
The result is an estimate for educational purposes only and is not financial, legal or tax advice. Consult a qualified professional before making important decisions.